Intro to Statistics, Tally Charts, and Dot Plots

Is this a statistical question?

Did the Dodgers win last night?

• STATISTICAL

• NOT STATISTICAL

Answer explanation

This is just a yes or no question.

Tags

CCSS.6.SP.A.1

Is this a statistical question?

What is the average daily high temperature during October?

• STATISTICAL

• NOT STATISTICAL

Answer explanation

To find this out, you would collect data (measure the temperature every day), and you would expect the data to vary (every day might have a different temperature).

Tags

CCSS.6.SP.A.1

Is this a statistical question?

Why didn't Jenny do her homework?

• STATISTICAL

• NOT STATISTICAL

Answer explanation

This is just a question for one person with one answer.

Tags

CCSS.6.SP.A.1

What is the longest time it took somebody to eat breakfast?

• 10 minutes

• 0 minutes

• 12 minutes

• 6 and 7 minutes

Answer explanation

12 minutes is the largest answer that has a dot, and each dot represents one response.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

How many people took less than 3 minutes to eat breakfast?

• 11 people

• 16 people

• 8 people

• 0 people

Answer explanation

"Less than 3 minutes" means that we should look at 0, 1, and 2 minutes. 3 minutes is not less than 3 minutes.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What was the most popular answer when people were asked how long it took them to eat breakfast?

• 10 minutes

• 0 minutes

• 12 minutes

• 3 and 5 minutes

Answer explanation

10 minutes has the most dots. That means that it was the most common answer.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

How many more students chose chips than pretzels?

• 5 students

• 4 students

• 7 students

• 10 students

Answer explanation

Chips has 10 tally marks. Pretzels has 5 tally marks. 10 - 5 = 5.

Tags

CCSS.3.OA.D.8

How many total students responded to this survey?

• 24 students

• 4 students

• 21 students

• 12 students

Answer explanation

Count up all the tally marks. Each tally mark represents 1 student.

Tags

CCSS.1.MD.C.4

Is this a statistical question?

What is the shoe size of each student in Mrs. Pediatrist's 1st period class?

• STATISTICAL

• NOT STATISTICAL

Answer explanation

To find this out, you would collect data (ask each student their shoe size), and you would expect the data to vary (everybody probably does not have the same shoe size).

Tags

CCSS.6.SP.A.1

Is this a statistical question?

How many children does Mr. Sustar have?

• STATISTICAL

• NOT STATISTICAL

Answer explanation

To find this out, you can just ask Mr. Sustar. You do not need to go around collecting data. Also, there is only 1 answer to this question. The data will not vary.

Tags

CCSS.6.SP.A.1